Fused Cast AZS Block

Short Description:

Fused cast AZS block manufacturing process mixes selected zircon sand and industrial alumina powder at a ratio of 1:1, plus a small amount of Na2O (added in the form of sodium carbonate), B2O3 (added in the form of boric acid or borax) flux, and mix well After being melted at 1800~1900, it can be cast to form a fused-cast brick containing 33% ZrO2. On this basis, using partially desiliconized zircon sand as raw material, fused-cast bricks containing 36% to 41% ZrO2 can be produced. Zirconium corundum bricks use industrial alumina powder and selected zircon sand as raw materials to produce refractory products with a ZrO2 content of 33% to 45%.
Fused cast AZS block is an important refractory material to ensure the normal operation of glass melting furnaces. At present, glass melting furnaces increase the melting rate, extend the life of the furnace, and reduce fuel consumption mainly due to the use of this refractory material.


Product Detail

PRODUCTIVE PROCESS

PACKING AND SHIPPING

Product Tags

Description

Fused cast AZS block manufacturing process mixes selected zircon sand and industrial alumina powder at a ratio of 1:1, plus a small amount of Na2O (added in the form of sodium carbonate), B2O3 (added in the form of boric acid or borax) flux, and mix well After being melted at 1800~1900℃, it can be cast to form a fused-cast brick containing 33% ZrO2. On this basis, using partially desiliconized zircon sand as raw material, fused-cast bricks containing 36% to 41% ZrO2 can be produced. Zirconium corundum bricks use industrial alumina powder and selected zircon sand as raw materials to produce refractory products with a ZrO2 content of 33% to 45%.
Fused cast AZS block is an important refractory material to ensure the normal operation of glass melting furnaces. At present, glass melting furnaces increase the melting rate, extend the life of the furnace, and reduce fuel consumption mainly due to the use of this refractory material.

Features

Good corrosion resistance / Low pollution / Good chemical stability / Reduce fuel consumption

Application

Fused cast AZS block is mainly used in industrial furnaces such as glass melting furnaces. The use parts in the glass melting furnace are the masonry of the upper pool wall, small furnace slabs, small furnace stacks, tongue hangings and breast walls.

Physical And Chemical Indicators

Brand / Properties

AZS-41

AZS-36

AZS-33

Chemical Analysis(%)

ZrO2

40

35

32

SiO2

13.0

14

15.5

Na2O

1.3

1.4

1.5

Fe2O3

0.10

0.10

0.10

TiO2

0.05

0.05

0.05

Cold Crushing Strength (MPa)

350

350

350

Bulk Density (g/cm3)

Regular cast

3.55

3.45

3.4

 

Void free

4.00

3.78

3.70

Apparent Porosity (%)

1.3

1.5

2.0

Productive Process

1.Raw material quality control including physical and chemical testing.           
2.Crushing and grinding of bulk raw materials.
3. According to customer data sheet required to mixing Raw Material.
Pressing or shaping the green brick depend on different raw material and brick shape.
4.Dry the bricks at dryer kiln.
5.Put the bricks into the tunnel kiln to burning by higher temp from 1300-1800 deg.
6.The quality control department will inspect the finished refractory bricks random.

Packing And Shipping

Packaging  according to safety sea-exporting packing Standard
Dispatch : loading the finished packing material at factory by container Door toDoor   
By sea fumigated wooden pallet + plastic belt  + plastic film wrap.


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  • 1.Raw material quality control including physical and chemical testing.           
    2.Crushing and grinding of bulk raw materials.
    3. According to customer data sheet required to mixing Raw Material.
    Pressing or shaping the green brick depend on different raw material and brick shape.
    4.Dry the bricks at dryer kiln.
    5.Put the bricks into the tunnel kiln to burning by higher temp from 1300-1800 deg.
    6.The quality control department will inspect the finished refractory bricks random.

    Packaging  according to safety sea-exporting packing Standard
    Dispatch : loading the finished packing material at factory by container Door toDoor   
    By sea fumigated wooden pallet + plastic belt  + plastic film wrap.

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